CN109894945B - Preparation method of high-strength pump valve - Google Patents
Preparation method of high-strength pump valve Download PDFInfo
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- CN109894945B CN109894945B CN201910213637.1A CN201910213637A CN109894945B CN 109894945 B CN109894945 B CN 109894945B CN 201910213637 A CN201910213637 A CN 201910213637A CN 109894945 B CN109894945 B CN 109894945B
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- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 238000000227 grinding Methods 0.000 claims abstract description 48
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 238000005498 polishing Methods 0.000 claims description 66
- 238000013016 damping Methods 0.000 claims description 9
- 238000001125 extrusion Methods 0.000 claims description 8
- 230000001788 irregular Effects 0.000 claims description 5
- 239000010720 hydraulic oil Substances 0.000 claims description 4
- 230000003068 static effect Effects 0.000 claims description 4
- 238000007517 polishing process Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims 2
- 239000010959 steel Substances 0.000 claims 2
- 230000003044 adaptive effect Effects 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 13
- 238000003466 welding Methods 0.000 description 10
- 238000005457 optimization Methods 0.000 description 8
- 229910052742 iron Inorganic materials 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The invention discloses a preparation method of a high-strength pump valve, which comprises the following steps: the method comprises the following steps: the following raw materials C in parts by weight: 3.5-5 parts of Mn: 1.5-2 parts, Si: 0.5-1 part of Cr: 12-14 parts, CU: 3-5 parts of Sn: 0.3-1 part, Fe: 30-40 parts of the raw materials are put into a heating container and heated to 1900 ℃ of 1500-; step two: sealing the forming die without contacting with an external object, naturally cooling and taking out, wherein the pump valve has a preliminary shape; step three: and (3) putting the prepared pump valve shape into a grinding forming device for grinding, removing leftover materials outside the pump valve shape, and smoothening the connection part of the die. This grinding forming device, convenient to use, easy operation can adapt to the pump valve of unidimensional and different shapes, conveniently adjusts, and it is efficient to polish in the use.
Description
Technical Field
The invention relates to a pump valve, in particular to a preparation method of a high-strength pump valve, and belongs to the field of preparation and application of pump valves.
Background
The pump valve is the spare part commonly used among the hydraulic machinery, because its operational environment is comparatively abominable, and metal material is made commonly used, increases its durability.
However, the existing pump valve and the preparation method thereof still have certain defects in use. The existing pump valve is not reasonable enough in material, short in service life, easy to rust and damage, not enough in strength, and not reasonable in strength and durability. In the preparation process, the outer part of the die needs to be ground after being molded, and the adopted grinding equipment has a simple structure, cannot adapt to pump valves with different sizes and shapes, and has lower working efficiency and poor adaptability.
Disclosure of Invention
The invention aims to provide a preparation method of a high-strength pump valve, which can solve the problems that the existing pump valve is not reasonable enough in material, the manufactured pump valve is short in service life, easy to rust and damage, not enough in strength and not reasonable in strength and durability. In the preparation process, the outer part of the die is required to be ground after being molded, and the adopted grinding equipment has a simple structure, cannot adapt to pump valves of different sizes and shapes, and has the technical problems of low working efficiency and poor adaptability.
The purpose of the invention can be realized by the following technical scheme:
a preparation method of a high-strength pump valve comprises the following steps:
the method comprises the following steps: the following raw materials C in parts by weight: 3.5-5 parts of Mn: 1.5-2 parts, Si: 0.5-1 part of Cr: 12-14 parts, CU: 3-5 parts of Sn: 0.3-1 part, Fe: 30-40 parts of the raw materials are put into a heating container and heated to 1900 ℃ of 1500-;
step two: sealing the forming die without contacting with an external object, naturally cooling and taking out, wherein the pump valve has a preliminary shape;
step three: and (3) putting the prepared pump valve shape into a grinding forming device for grinding, removing leftover materials outside the pump valve shape, and smoothening the connection part of the die.
Preferably, when the pump valve in the third step is ground by the grinding forming device, the pump valve is fixedly clamped at the end part of the supporting seat at one end, and the pump valve is clamped between the inner parts of the electromagnet plates or the electromagnet plates are inserted in the pump valve according to the diameter of the inner side of the end part of the pump valve.
Preferably, the electromagnet plate is inserted into the pump valve, a second electric telescopic column at one end of the electromagnet plate is started to operate, the second electric telescopic column drives the electromagnet plate at one end to move, the electromagnet plate is in close contact with the inner side wall of the pump valve, and the electromagnet plates on the periphery pressurize the inside of the pump valve; the pump valve joint is in the outside of erection column, starts a plurality of electromagnet board simultaneously, and the electromagnet board produces the appeal to the pump valve, increases the frictional force between electromagnet board and the pump valve.
Preferably, if the end part of the pump valve is clamped between the plurality of electromagnet plates, the mounting column is inserted into the pump valve, the plurality of second electric telescopic columns are started to operate, the bearing plate and the electromagnet plates at one end are driven to move towards the outer side of the end part of the pump valve, and then the plurality of electromagnet plates outside fix the pump valve from the periphery outside the pump valve; then the electromagnet plate is opened, the electromagnet plate is attracted with the pump valve, and the friction force between the electromagnet plate and the pump valve is increased.
Preferably, the pump valve is fixed in the outside back of the erection column of one end, start two hydraulic pressure post operations of one end through hydraulic tank, the hydraulic pressure post is flexible at the inside level of mounting groove, the supporting seat that hydraulic pressure post promoted one end moves to the other end on the upper portion of diaphragm, and then drives the pump valve and passes from the inside of first tip board and second tip board, utilize a plurality of electro-magnet plate of the other end to fix the other end of pump valve, the stable installation of pump valve is between two erection columns, and park between first tip board and second tip board.
Preferably, the first end plate is detached from the top of one end of the frame, a plurality of fixing rings are inserted outside a plurality of sliding rods, the sliding rods penetrate through the through holes, the fixing rings are pushed to move on the sliding rods until the polishing plate at the bottom faces a position to be ground, the positioning rods and the fastening bolts are screwed, the bottoms of the positioning rods are in contact with the sliding rods, and the fixing rings are parked outside the sliding rods; the first motor drives the rotating shaft and the pump valve to rotate, the position of the rotating shaft is limited by the bracket in the rotation, and the first electric telescopic column is started to stretch in the rotation of the pump valve until the grinding plates in all directions contact with the outside of the pump valve; along with the continuous rotation of the pump valve, the grinding plate grinds the outside of the pump valve; when the outside of pump valve is irregular, through the position of the first electronic flexible post adjustment board of polishing, along with the rotation of pump valve, the outside of pump valve is polished to the single board of polishing, the position that can not polish in the rotation, keep the pump valve static, the position of treating polishing contacts with the board of polishing, through the continuous flexible drive pump valve horizontal migration of the hydraulic pressure post at both ends, the hydraulic pressure post passes through the push pedal and the removal of fixed plate promotion supporting seat in the removal, and then with the continuous friction of the board of polishing, accomplish the grinding.
Preferably, when the supporting seat is driven by the hydraulic column to move, the balls at two ends of the bottom move in the limiting groove to limit the moving direction of the supporting seat and keep the pump valve to polish along the linear motion; meanwhile, in the polishing process, the sliding block is pushed to move outside the fixing ring according to the change of the polishing position and the polishing requirement, the movable middle bottom plate is clamped inside the clamping groove and the sliding groove, and the extrusion bolt is screwed after the position is moved; and when meetting slide bar or connecting rod and blockking in the removal, dismantle first electronic flexible post from the inside of slider through the screw thread, cross slide bar or connecting rod until the slider, install first electronic flexible post again, the board of polishing of bottom is polished with the contact of pump valve.
Preferably, the impeller rotates along with the rotating shaft during grinding, and scraps falling during grinding are blown off.
Preferably, according to the appearance of pump valve and the demand of polishing in polishing, drive axis of rotation and atress board and plush copper through the second motor and rotate in the inside of adapter, and then adjust the position of polishing the board, when receiving external force in polishing the board, inside damping spring atress compression, the certain angle of polishing board slope adapts to the different appearance of pump valve.
Grinding forming device in step three includes the frame, diaphragm and supporting seat, hydraulic tank is installed to bottom one side of frame, top both ends are first tip board of fixedly connected with and second tip board respectively, evenly peg graft between first tip board and the second tip board and have the slide bar that a plurality of level set up, the outside joint of a plurality of slide bar has a plurality of retainer plate, the inside edge of retainer plate and first tip board all is provided with a plurality of perforation, the slide bar runs through from fenestrate inside, and the top one end joint of first tip board and frame, the first tip board of one end top both sides of frame all are connected through fastening bolt, first tip board and second tip board are parallel arrangement. The inside middle-end of retainer plate is provided with the sliding tray, and the inside both sides of sliding tray all are provided with the joint groove, and the equal threaded connection in both ends has the connecting rod about the inside of sliding tray.
The inside of retainer plate has a plurality of slider through sliding tray sliding connection, and the bottom of slider is connected with the bottom plate, and the both ends joint of bottom plate is in the inside in joint groove, and the equal threaded connection in retainer plate top both sides has a plurality of locating lever, and the bottom butt of locating lever gets into fenestrate inside, and the equal threaded connection in top middle part both sides of retainer plate has the vertical extrusion bolt that sets up, the bottom butt bottom plate of extrusion bolt.
The middle part threaded connection of slider has the first electronic flexible post of vertical setting, the bottom of first electronic flexible post is connected with the atress board, and the bottom of atress board is connected with the board of polishing, evenly be connected with a plurality of damping spring between the top of board of polishing and the atress board, the welding of the junction of first electronic flexible toe portion and atress board has "U" shape switching frame, the welding of the top middle-end of atress board has the plush copper, the plush copper joint is in the inside of switching frame, the bottom middle-end of switching frame rotates the axis of rotation that is connected with the level and sets up, and the axis of rotation runs through the plush copper, the one end of axis of rotation runs through the switching frame and installs the second motor.
The diaphragm that the level set up all welded in the bottom both sides of frame, and the supporting seat is installed at the top of diaphragm, and the top both sides of diaphragm all are provided with the mounting groove along length direction, and the top both sides all are provided with the spacing groove in the side of mounting groove along length direction, and the inside middle-end of mounting groove has hydraulic pressure post along length direction fixed mounting. The one end welding of hydraulic pressure post has the push pedal, and the ball is all installed to the bottom both sides of supporting seat, and the welding has the fixed plate in the bottom of supporting seat between two balls, fixed plate and push pedal fixed connection, and the ball joint is in the inside of spacing groove.
The support has all been welded at the top both ends of supporting seat, rotates between two supports and installs the pivot, and the one end of the pivot at one end supporting seat top runs through leg joint and has first motor. The one end welding that the pivot is close to the frame has the impeller of vertical setting, and the one end middle part welding that the impeller is close to the frame has the erection column that the level set up, and the outside evenly is connected with the electronic flexible post of a plurality of second of erection column, and the end connection of the electronic flexible post of second has the bearing plate, and the one end that the electronic flexible post of second was kept away from to the bearing plate is connected with convex electromagnetism iron plate, and the outside parcel of electromagnetism iron plate has the protection to fill up.
The grinding forming device of the invention has the following beneficial effects:
1. the mounting column is connected through the one end at the supporting seat, and a plurality of electromagnet plates are connected at the external connection of mounting column for after the preliminary shaping of pump valve, with the tip of pump valve fixed joint at the supporting seat of one end, according to the inboard diameter size of tip of pump valve, with the joint of pump valve between the inside of a plurality of electromagnet plates or peg graft a plurality of electromagnet plates in the inside of pump valve. If the electromagnet plate is inserted in the pump valve, the second electric telescopic column drives the electromagnet plate at one end to move, the electromagnet plate is in close contact with the inner side wall of the pump valve, and the plurality of electromagnet plates on the periphery uniformly pressurize the inside of the pump valve. The joint that the inside atress of pump valve evenly can be stable is in the outside of erection column, and the electro-magnet board produces the appeal to the pump valve, and further increase electro-magnet board and the frictional force between the pump valve, the pump valve is difficult for taking place to rock in the rotation and drops in more stability of erection column one end joint, and the position is difficult for changing, can fix the pump valve, makes things convenient for subsequent processing.
If the tip joint of pump valve is between a plurality of electromagnet plate, the erection column plug-in connection is in the inside of pump valve, and the electromagnet plate of one end removes to the tip outside of pump valve, and then outside a plurality of electromagnet plate is fixed the pump valve from the outside of pump valve all around. The electromagnet plate is attracted to the pump valve, so that the friction force between the electromagnet plate and the pump valve is increased, and the stability is improved. A plurality of electromagnetism magnetic plate can carry out quick installation fixedly in the outer end of erection column to the pump valve, easy operation, and the pump valve is stable more high-efficient in the processing. And the pump valves with different diameters can be fixed, the application range is wide, and the application capability is good.
2. Two end plates are arranged at the top of the frame, and a plurality of sliding rods and a fixing ring are arranged between the two end plates, so that the position, which needs to be ground, outside the pump valve in work moves on the sliding rods, and the grinding plate at the bottom faces the position, which needs to be ground, can freely move to adapt to different positions. The first motor can drive the rotating shaft and the pump valve to rotate, and the first electric telescopic column stretches until the polishing plates in all directions can be in contact with the outside of the pump valve. Along with the continuous rotation of pump valve, the board of polishing can be quick polishes the outside of pump valve, and work efficiency is high, polishes evenly, and can adapt to not unidimensional pump valve. If the outside of pump valve is irregular, adjust the position of polishing the board through first electronic flexible post for the board of polishing can polish the outside of pump valve, does not influence the normal rotation of pump valve again. Meanwhile, the pump valve can be kept static at an irregular position inside the pump valve and at a position where the pump valve cannot be polished by rotation, the position to be polished is contacted with the polishing plate, the pump valve is driven to horizontally move by continuous extension of the hydraulic columns at the two ends, and then the pump valve continuously rubs with the polishing plate to finish grinding. Utilize the retainer plate can move on the slide bar, can change the position of polishing the board, make it adapt to the different demands of polishing, can polish the pump valve of different shapes.
3. Through setting up the sliding tray in the inside of retainer plate, and at the internally mounted slider of sliding tray for can promote the slider and remove in the outside of retainer plate according to the change of the position of polishing and the demand of polishing in the work, move the inside that the insole integrated circuit board connects in the joint groove. The slider moves stably and quickly, and can freely drive the polishing plate at the bottom to change the position. The impeller rotates along with the rotating shaft during polishing, the chips falling during polishing are blown off, subsequent polishing is not influenced, the temperature during polishing is reduced, and the polishing points are not prone to deformation and damage.
4. Through connecting first electronic flexible post in the middle part of slider, and connect switching frame and second motor and the board of polishing in the bottom of first electronic flexible post for can drive axis of rotation and atress board rotation through the second motor according to the appearance of pump valve and the demand of polishing during polishing, and then adjust the position of board of polishing, adapt to different work needs, improve the efficiency of polishing, increased the suitability. When receiving external force in polishing the board, inside damping spring can the atress compression, and the board of polishing can incline certain angle, adapts to the different appearance of pump valve, and the board of polishing is not fragile. And after polishing, taking out the pump valve to form. This grinding forming device, convenient to use, easy operation can adapt to the pump valve of unidimensional and different shapes, conveniently adjusts, and it is efficient to polish in the use.
The pump valve material has the beneficial effects that:
by changing the components of the existing various raw materials and adding new raw materials of Cr and Sn, the pump valve can keep the original hardness and strength after being manufactured, is not easy to deform and damage in use and can keep corrosion resistance, and the pump valve is not easy to damage and rust in use, has long service life and good safety performance.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the grinding and forming device of the present invention.
Fig. 2 is a schematic view of the fixing ring mounting structure of the present invention.
Fig. 3 is a schematic view of the first end plate mounting structure of the present invention.
Fig. 4 is a schematic structural view of the fixing ring of the present invention.
Fig. 5 is a schematic view of a slide bar mounting structure according to the present invention.
Fig. 6 is a schematic view of the internal structure of the retainer ring of the present invention.
Figure 7 is a schematic view of the sanding plate mounting structure of the present invention.
FIG. 8 is a schematic diagram of a cross plate structure according to the present invention.
FIG. 9 is a bottom view of the supporting base according to the present invention.
FIG. 10 is a schematic view of a supporting seat structure according to the present invention.
Fig. 11 is a side view of fig. 10 of the present invention.
Fig. 12 is an enlarged detail view of fig. 11 a according to the present invention.
In the figure: 1. a frame; 2. a hydraulic oil tank; 3. mounting grooves; 4. a supporting seat; 5. a transverse plate; 6. an impeller; 7. a first end plate; 8. a second end plate; 9. a support; 10. a rotating shaft; 11. a first motor; 12. a sliding groove; 13. a stationary ring; 14. a slide bar; 15. perforating; 16. fastening a bolt; 17. a first electric telescopic column; 18. positioning a rod; 19. extruding the bolt; 20. a slider; 21. a clamping groove; 22. a base plate; 23. a second electric telescopic column; 24. a connecting rod; 25. a transfer rack; 26. a second motor; 27. a raised head; 28. a rotating shaft; 29. a stress plate; 30. a damping spring; 31. grinding the plate; 32. a hydraulic column; 33. a limiting groove; 34. pushing the plate; 35. a fixing plate; 36. a ball bearing; 37. an electromagnet plate; 38. mounting a column; 39. a bearing plate.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 12, a method for manufacturing a high-strength pump valve is disclosed, wherein the pump valve is composed of the following raw materials in parts by weight, C: 3.5-5 parts of Mn: 1.5-2 parts, Si: 0.5-1 part of Cr: 12-14 parts, CU: 3-5 parts of Sn: 0.3-1 part, Fe: 30-40 parts;
the preparation method of the pump valve comprises the following steps:
the method comprises the following steps: the following raw materials C in parts by weight: 3.5-5 parts of Mn: 1.5-2 parts, Si: 0.5-1 part of Cr: 12-14 parts, CU: 3-5 parts of Sn: 0.3-1 part, Fe: 30-40 parts of the raw materials are put into a heating container and heated to 1900 ℃ of 1500-;
step two: sealing the forming die without contacting with an external object, naturally cooling and taking out, wherein the pump valve has a preliminary shape;
step three: and (3) putting the prepared pump valve shape into a grinding forming device for grinding, removing leftover materials outside the pump valve shape, and smoothening the connection part of the die.
As a technical optimization scheme of the invention, when the pump valve is ground by the grinding forming device in the step three, the pump valve is fixedly clamped at the end part of the supporting seat 4 at one end, and the pump valve is clamped between the inner parts of the electromagnet plates 37 or the electromagnet plates 37 are inserted into the pump valve according to the inner diameter of the end part of the pump valve.
As a technical optimization scheme of the invention, the electromagnet plate 37 is inserted in the pump valve, the second electric telescopic column 23 at one end of the electromagnet plate 37 is started to run, the second electric telescopic column 23 drives the electromagnet plate 37 at one end to move, the electromagnet plate 37 is in close contact with the inner side wall of the pump valve, and the electromagnet plates 37 on the periphery pressurize the inside of the pump valve; the pump valve is clamped outside the mounting column 38, the plurality of electromagnet plates 37 are started simultaneously, the electromagnet plates 37 generate attraction force on the pump valve, and friction force between the electromagnet plates 37 and the pump valve is increased.
As a technical optimization scheme of the invention, if the end part of the pump valve is clamped between the plurality of electromagnet plates 37, the mounting column 38 is inserted into the pump valve, the plurality of second electric telescopic columns 23 are started to operate, the bearing plate 39 and the electromagnet plates 37 at one end are driven to move towards the outer side of the end part of the pump valve, and then the plurality of electromagnet plates 37 outside fix the pump valve from the periphery outside the pump valve; subsequently, the electromagnet plate 37 is opened, and the electromagnet plate 37 is attracted to the pump valve, thereby increasing the frictional force between the pump valve and the electromagnet plate 37.
As a technical optimization scheme of the invention, after a pump valve is fixed outside a mounting column 38 at one end, two hydraulic columns 32 at one end are started to operate through a hydraulic oil tank 2, the hydraulic columns 32 horizontally extend and retract in the mounting groove 3, the hydraulic columns 32 push a supporting seat 4 at one end to move from the upper part of a transverse plate 5 to the other end, so that the pump valve is driven to penetrate through the first end plate 7 and the second end plate 8, the other end of the pump valve is fixed by a plurality of electromagnet plates 37 at the other end, and the pump valve is stably installed between the two mounting columns 38 and is parked between the first end plate 7 and the second end plate 8.
As a technical optimization scheme of the invention, the first end plate 7 is detached from the top of one end of the frame 1, a plurality of fixing rings 13 are inserted outside a plurality of sliding rods 14, the sliding rods 14 penetrate through the through holes 15, the fixing rings 13 are pushed to move on the sliding rods 14 until a grinding plate 31 at the bottom faces a position to be ground, a positioning rod 18 and a fastening bolt 16 are screwed, the bottom of the positioning rod 18 is in contact with the sliding rods 14, and the fixing rings 13 are parked outside the sliding rods 14; the first motor 11 drives the rotating shaft 10 and the pump valve to rotate, the position of the rotating shaft 10 in rotation is limited by the support 9, and the first electric telescopic column 17 is started to be telescopic in the rotation of the pump valve until the grinding plates 31 in all directions are in contact with the outside of the pump valve; along with the continuous rotation of the pump valve, the grinding plate 31 grinds the outside of the pump valve; when the outside of pump valve is irregular, through the position of the board 31 of polishing of first electronic flexible post 17 adjustment, along with the rotation of pump valve, the outside of pump valve is polished to solitary board 31 of polishing, the position that can not polish in the rotation, keep static with the pump valve, the position of treating polishing contacts with the board 31 of polishing, the continuous flexible pump valve horizontal migration that drives of hydraulic pressure post 32 through both ends, hydraulic pressure post 32 promotes supporting seat 4 through push pedal 34 and fixed plate 35 and removes in the removal, and then with the continuous friction of the board 31 of polishing, accomplish the grinding.
As a technical optimization scheme of the invention, when the supporting seat 4 is driven by the hydraulic column 32 to move, the balls 36 at the two ends of the bottom move in the limiting groove 33 to limit the moving direction of the supporting seat 4 and keep the pump valve to polish along the linear motion; meanwhile, in the polishing process, the sliding block 20 is pushed to move outside the fixing ring 13 according to the change of the polishing position and the polishing requirement, the middle base plate 22 is moved to be clamped in the clamping groove 21 and the sliding groove 12, and the extrusion bolt 19 is screwed after the position is moved; when the sliding rod 14 or the connecting rod 24 blocks the first electric telescopic column 17 in the moving process, the first electric telescopic column 17 is detached from the inside of the sliding block 20 through threads until the sliding block 20 passes over the sliding rod 14 or the connecting rod 24, the first electric telescopic column 17 is installed, and the grinding plate 31 at the bottom of the first electric telescopic column is in contact grinding with the pump valve.
As a technical optimization scheme of the invention, the impeller 6 rotates along with the rotating shaft 10 during grinding, and scraps falling during grinding are blown off.
As a technical optimization scheme of the invention, during grinding, according to the shape of the pump valve and the grinding requirement, the rotating shaft 28, the stress plate 29 and the raised head 27 are driven by the second motor 26 to rotate in the switching frame 25, so as to adjust the position of the grinding plate 31, when external force is applied to the grinding plate 31 during grinding, the internal damping spring 30 is stressed and compressed, and the grinding plate 31 is inclined at a certain angle to adapt to different shapes of the pump valve.
The grinding and forming device in the third step comprises a frame 1, a transverse plate 5 and a supporting seat 4, wherein a hydraulic oil tank 2 is installed on one side of the bottom of the frame 1, a first end plate 7 and a second end plate 8 are fixedly connected to two ends of the top of the frame 1 respectively, a plurality of horizontally arranged sliding rods 14 are uniformly inserted between the first end plate 7 and the second end plate 8, a plurality of fixing rings 13 are clamped outside the plurality of sliding rods 14, a plurality of through holes 15 are formed in the inner edges of the fixing rings 13 and the first end plate 7, the sliding rods 14 penetrate through the through holes 15, the first end plate 7 is clamped with one end of the top of the frame 1, two sides of the top of one end of the frame 1 are connected with the first end plate 7 through fastening bolts 16, the first end plate 7 and the second end plate 8 are arranged in parallel, a plurality of sliding rods 14 and a plurality of fixing rings 13 are conveniently installed between the two end plates, and the first end plate 7 and the fixing rings 13 can be detached, the number can be freely changed to adapt to different working requirements.
The inside middle-end of retainer plate 13 is provided with sliding tray 12, and the inside both sides of sliding tray 12 all are provided with joint groove 21, and the equal threaded connection in both ends has connecting rod 24 about the inside of sliding tray 12, and sliding tray 12 makes things convenient for slider 20's installation, and slider 20 can remove in sliding tray 12's inside, and connecting rod 24 can keep retainer plate 13 to be difficult for the damage that drops simultaneously.
There are a plurality of slider 20 inside of retainer plate 13 through sliding tray 12 sliding connection, slider 20's bottom is connected with bottom plate 22, bottom plate 22's both ends joint is in the inside of joint groove 21, and the equal threaded connection in retainer plate 13 top both sides has a plurality of locating lever 18, the inside of perforation 15 is got into to the bottom butt of locating lever 18, the equal threaded connection in top middle part both sides of retainer plate 13 has vertical extrusion bolt 19 that sets up, extrusion bolt 19's bottom butt bottom plate 22, slider 20 is when retainer plate 13's outside removal, the inside stable removal of bottom plate 22 joint at joint groove 21, extrusion bolt 19 butt bottom plate 22 can restrict bottom plate 22's position simultaneously, make its stable parking.
The middle part of the sliding block 20 is in threaded connection with a first electric telescopic column 17 which is longitudinally arranged, the bottom of the first electric telescopic column 17 is connected with a stress plate 29, the bottom of the stress plate 29 is connected with a polishing plate 31, a plurality of damping springs 30 are uniformly connected between the top of the polishing plate 31 and the stress plate 29, a U-shaped adapter 25 is welded at the joint of the bottom of the first electric telescopic column 17 and the stress plate 29, a raised head 27 is welded at the middle end of the top of the stress plate 29, the raised head 27 is clamped in the adapter 25, a rotating shaft 28 which is horizontally arranged is rotatably connected at the middle end of the bottom of the adapter 25, the rotating shaft 28 penetrates through the raised head 27, one end of the rotating shaft 28 penetrates through the adapter 25 and is provided with a second motor 26, the damping springs 30 can play a role in damping and buffering, so that the polishing plate 31 can adapt to different requirements, and the second motor 26 can drive the polishing plate 31 to rotate to change different inclination angles, the pump valve is fully polished.
The diaphragm 5 that the level set up all welded in the bottom both sides of frame 1, supporting seat 4 is installed at the top of diaphragm 5, the top both sides of diaphragm 5 all are provided with mounting groove 3 along length direction, and the top both sides all are provided with spacing groove 33 along length direction in the side of mounting groove 3, the inside middle-end of mounting groove 3 has hydraulic pressure post 32 along length direction fixed mounting, supporting seat 4 is used for installing electromagnetism iron plate 37 and erection column 38, the moving direction of supporting seat 4 can be restricted to spacing groove 33.
The welding of the one end of hydraulic pressure post 32 has push pedal 34, and ball 36 is all installed to the bottom both sides of supporting seat 4, and the welding of the bottom of supporting seat 4 has fixed plate 35 between two ball 36, fixed plate 35 and push pedal 34 fixed connection, and the joint of ball 36 is in the inside of spacing groove 33, and ball 36 can remove in the inside of spacing groove 33, reduces frictional force, and can restrict the moving direction of supporting seat 4.
Support 9 has all been welded at the top both ends of supporting seat 4, rotates between two support 9 and installs pivot 10, and the one end of the pivot 10 at 4 tops of one end supporting seat runs through support 9 and is connected with first motor 11, and first motor 11 can drive pivot 10 and impeller 6 and rotate, and then drives the pump valve rotation of tip, and the pump valve can obtain quick polishing.
The one end welding that pivot 10 is close to frame 1 has the impeller 6 of vertical setting, the erection column 38 that the one end middle part welding that impeller 6 is close to frame 1 has the level to set up, the outside evenly connected with a plurality of second electric telescopic column 23 of erection column 38, the end connection of second electric telescopic column 23 has bearing plate 39, the one end that second electric telescopic column 23 was kept away from to bearing plate 39 is connected with convex electromagnetism iron plate 37, the outside parcel of electromagnetism iron plate 37 has the protection pad, electromagnet plate 37 can carry out fixed mounting to the pump valve, make the pump valve stability can be good in the processing.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (1)
1. A preparation method of a high-strength pump valve is characterized by comprising the following steps:
the method comprises the following steps: the following raw materials C in parts by weight: 3.5-5 parts of Mn: 1.5-2 parts, Si: 0.5-1 part of Cr: 12-14 parts, CU: 3-5 parts of Sn: 0.3-1 part, Fe: 30-40 parts of the raw materials are put into a heating container and heated to 1900 ℃ of 1500-;
step two: sealing the forming die without contacting with an external object, naturally cooling and taking out, wherein the pump valve has a preliminary shape;
step three: placing the prepared pump valve shape into a grinding forming device for grinding, removing leftover materials outside the pump valve shape, and enabling the connection position of a die to be smooth;
when the pump valve is ground by using the grinding forming device in the third step, the pump valve is fixedly clamped at the end part of the supporting seat (4) at one end, and the pump valve is clamped between the inner parts of the electromagnetic steel plates (37) or the electromagnetic steel plates (37) are inserted into the pump valve according to the diameter of the inner side of the end part of the pump valve;
the electromagnet plate (37) is inserted in the pump valve, the second electric telescopic column (23) at one end of the electromagnet plate (37) is started to operate, the second electric telescopic column (23) drives the electromagnet plate (37) at one end to move, the electromagnet plate (37) is in close contact with the inner side wall of the pump valve, and the electromagnet plates (37) on the periphery pressurize the inside of the pump valve; the pump valve is clamped outside the mounting column (38), the electromagnet plates (37) are started at the same time, and the electromagnet plates (37) generate attraction force on the pump valve to increase the friction force between the electromagnet plates (37) and the pump valve;
if the end part of the pump valve is clamped among the electromagnet plates (37), the mounting column (38) is inserted into the pump valve, the second electric telescopic columns (23) are started to operate, the bearing plate (39) and the electromagnet plates (37) at one end are driven to move towards the outer side of the end part of the pump valve, and then the external electromagnet plates (37) fix the pump valve from the periphery of the outside of the pump valve; then, the electromagnet plate (37) is opened, the electromagnet plate (37) is attracted with the pump valve, and the friction force between the electromagnet plate (37) and the pump valve is increased;
after the pump valve is fixed outside the mounting column (38) at one end, two hydraulic columns (32) at one end are started to run through a hydraulic oil tank (2), the hydraulic columns (32) horizontally stretch in the mounting groove (3), the hydraulic columns (32) push the supporting seat (4) at one end to move towards the other end from the upper part of the transverse plate (5), so that the pump valve is driven to penetrate through the first end plate (7) and the second end plate (8), the other end of the pump valve is fixed by utilizing a plurality of electromagnet plates (37) at the other end, and the pump valve is stably installed between the two mounting columns (38) and is stopped between the first end plate (7) and the second end plate (8);
the first end plate (7) is detached from the top of one end of the frame (1), a plurality of fixing rings (13) are inserted outside a plurality of sliding rods (14), the sliding rods (14) penetrate through the through holes (15), the fixing rings (13) are pushed to move on the sliding rods (14) until a grinding plate (31) at the bottom faces a position to be ground, a positioning rod (18) and a fastening bolt (16) are screwed, the bottom of the positioning rod (18) is in contact with the sliding rods (14), and the fixing rings (13) are parked outside the sliding rods (14); the first motor (11) drives the rotating shaft (10) and the pump valve to rotate, the position of the rotating shaft (10) in rotation is limited by the support (9), and the first electric telescopic column (17) is started to stretch in the rotation of the pump valve until the polishing plates (31) in all directions contact with the outside of the pump valve; along with the continuous rotation of the pump valve, the grinding plate (31) grinds the outside of the pump valve; when the outside of the pump valve is irregular, the position of the polishing plate (31) is adjusted through the first electric telescopic column (17), along with the rotation of the pump valve, the single polishing plate (31) polishes the outside of the pump valve, the position which can not be polished in the rotation keeps the pump valve static, the position to be polished is in contact with the polishing plate (31), the pump valve is driven to move horizontally through the continuous telescopic of the hydraulic columns (32) at the two ends, the hydraulic column (32) pushes the supporting seat (4) to move through the push plate (34) and the fixed plate (35) in the movement, and further the supporting seat and the polishing plate (31) continuously rub to finish the grinding;
when the supporting seat (4) is driven by the hydraulic column (32) to move, the balls (36) at the two ends of the bottom move in the limiting groove (33) to limit the moving direction of the supporting seat (4) and keep the pump valve to polish along the linear motion; meanwhile, in the polishing process, the sliding block (20) is pushed to move outside the fixing ring (13) according to the change of the polishing position and the polishing requirement, the bottom plate (22) is clamped inside the clamping groove (21) and the sliding groove (12) in the moving process, and the extrusion bolt (19) is screwed after the position is moved; when the sliding rod (14) or the connecting rod (24) blocks in the moving process, the first electric telescopic column (17) is detached from the inside of the sliding block (20) through threads until the sliding block (20) crosses the sliding rod (14) or the connecting rod (24), then the first electric telescopic column (17) is installed, and the grinding plate (31) at the bottom is in contact grinding with the pump valve;
during grinding, the impeller (6) rotates along with the rotating shaft (10) to blow off the chips falling during grinding;
according to the appearance of the pump valve and the requirement of polishing in polishing, a rotating shaft (28), a stress plate (29) and a raised head (27) are driven to rotate in the switching frame (25) through a second motor (26), the position of a polishing plate (31) is adjusted, when external force is applied to the polishing plate (31) during polishing, a damping spring (30) inside is stressed and compressed, the polishing plate (31) is inclined at a certain angle, and the pump valve is adaptive to different appearances.
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| CN201910213637.1A CN109894945B (en) | 2019-03-20 | 2019-03-20 | Preparation method of high-strength pump valve |
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| CN109894945B true CN109894945B (en) | 2020-12-18 |
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| CN208543282U (en) * | 2018-05-09 | 2019-02-26 | 武经纬 | A kind of aluminium alloy end surfaces grinding device easy to use |
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| US7534164B1 (en) * | 2007-12-04 | 2009-05-19 | Kung-Cheng Lo | Transmission structure of the stone chamfering machine tool holder |
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|---|---|
| CN109894945A (en) | 2019-06-18 |
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Effective date of registration: 20240528 Address after: No. 212 Jiaoxia Road, Hesan Community, Oubei Street, Yongjia County, Wenzhou City, Zhejiang Province, 325105 Patentee after: Zhejiang Weilun Valve Co.,Ltd. Country or region after: China Address before: Room 101-104, building a16, Daopo community, Wangyue street, Yuelu District, Changsha City, Hunan Province, 410205 Patentee before: CHANGSHA JIZHI INNOVATION INDUSTRIAL DESIGN Co.,Ltd. Country or region before: China |